I was being told my data would be stored securely and deleted when the case was closed. The investigation is closed, but because both the prosecutor and culprit

I was being told my data would be stored securely and deleted when the case was closed. The investigation is closed, but because both the prosecutor and culprit/perpetrator are going to a higher court, I am not sure its already destroyed. Given the nature of my profession I don't feel like I need to fear about my DNA, but I understand YMMV.